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All results from a given calculation for CHBr (bromomethylene)

using model chemistry: B3PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
2 1 yes CS 3A"

State 1 (1A')

Jump to S2C1
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-2610.252700
Energy at 298.15K-2610.255422
HF Energy-2610.252700
Nuclear repulsion energy70.451088
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 2925 2808 61.37      
2 A' 1169 1122 6.51      
3 A' 680 653 70.76      

Unscaled Zero Point Vibrational Energy (zpe) 2386.9 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 2291.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-31+G**
ABC
15.41891 0.42659 0.41510

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.026 1.547 0.000
Br2 0.026 -0.315 0.000
H3 -1.070 1.752 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.86181.1148
Br21.86182.3398
H31.11482.3398

picture of bromomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Br2 C1 H3 100.628
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.146      
2 Br 0.005      
3 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.513 -0.795 0.000 1.709
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.524 -3.406 0.000
y -3.406 -26.192 0.000
z 0.000 0.000 -23.873
Traceless
 xyz
x -0.491 -3.406 0.000
y -3.406 -1.493 0.000
z 0.000 0.000 1.985
Polar
3z2-r23.969
x2-y20.668
xy-3.406
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.673 -0.090 0.000
y -0.090 6.803 0.000
z 0.000 0.000 3.139


<r2> (average value of r2) Å2
<r2> 37.809
(<r2>)1/2 6.149

State 2 (3A")

Jump to S1C1
Energy calculated at B3PW91/6-31+G**
 hartrees
Energy at 0K-2610.253564
Energy at 298.15K-2610.256273
HF Energy-2610.253564
Nuclear repulsion energy71.276581
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3219 3091 5.63      
2 A' 911 875 4.91      
3 A' 746 716 27.96      

Unscaled Zero Point Vibrational Energy (zpe) 2438.4 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 2341.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-31+G**
ABC
25.73835 0.42889 0.42186

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.021 1.496 0.000
Br2 0.021 -0.318 0.000
H3 -0.848 2.149 0.000

Atom - Atom Distances (Å)
  C1 Br2 H3
C11.81371.0863
Br21.81372.6149
H31.08632.6149

picture of bromomethylene state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.135      
2 Br -0.047      
3 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.810 0.187 0.000 0.831
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.393 -1.906 0.000
y -1.906 -22.242 0.000
z 0.000 0.000 -25.645
Traceless
 xyz
x -0.450 -1.906 0.000
y -1.906 2.777 0.000
z 0.000 0.000 -2.328
Polar
3z2-r2-4.656
x2-y2-2.151
xy-1.906
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.177 -0.082 0.000
y -0.082 6.201 0.000
z 0.000 0.000 3.065


<r2> (average value of r2) Å2
<r2> 37.363
(<r2>)1/2 6.113